Question

explain the posulates of bohar atomic model​

Answer 1

Answer:

The Bohr's postulates -

1) An electron can revolve around the nucleus in certain fixed orbits of definite energy without emission of any radiant energy. Such orbits are called stationary orbits.

2) An electron can make a transition from a stationary state of higher energy E2 to a state of lower energy E1 and in doing so, it emits a single photon of frequency,

ν=E2−E1h where h is the Planck's constant.

Conversely, on absorbing an energy, E2−E1 when the electron is at energy E1, the electron can make a transition from E1 to E2.

3) Only those orbits are allowed for which the angular momentum of the electron is an integral multiple of h2π,

Thus, L=nh2π where n=0,1,2,.....

Answer 2

All matter consists of indivisible particles called atoms. Atoms of the same element are similar in shape and mass, but differ from the atoms of other elements. ... Atoms of different elements may combine with each other in a fixed, simple, whole number ratios to form compound atoms.




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